Rail transit and railway rolling stock equipment, components, and electromechanical systems; depot equipment; power supply systems; communication and signaling systems; automatic fare collection (AFC) systems; elevator and escalator systems; fire alarm systems; ventilation, air conditioning, and heating systems; environment and equipment monitoring systems; integrated monitoring systems; ticket clearing systems; door safety systems, etc.; construction materials, equipment, safety, energy-saving, environmental protection technologies, and maintenance for rail transit and railway construction.

Railway facility construction, station and yard equipment, track laying, maintenance, and repair equipment and technologies; railway civil engineering, bridges, roads, water supply and drainage, environmental engineering, landscaping, and public utility construction.

Tunnel construction machinery, accessories, materials, and technologies; engineering machinery, safety devices, and equipment; underground transit inspection, exploration technologies, construction materials, and technical equipment; construction machinery and supporting equipment for underground lines, signaling, bridges, tunnels, power grids, and station buildings.

Intelligent traffic management systems, road toll system equipment, intelligent transportation products, and security monitoring equipment; video surveillance equipment, traffic information collection equipment, traffic control equipment, road toll system equipment; rail transit vehicles such as metros, trams, and buses.

Railway vehicle interior design, refurbishment, and decoration services; doors, curtains, partitions, seats, tables, luggage racks, handrails, replacement parts, lockers, seat belts, coatings, trolleys, restrooms, and kitchen equipment, etc.